1&period; UsageThe machine is used for the extrusion of variou rubber products and rubber feeding&period;

2&period; Structural Feature&period;A&period; Pin-barrel cold feed rubber extruders are made by the cmpany with introduced technoogies&period; Different extrusion heads are applied to extrude various half-finished rubber products&period; The machine can also be used to feed rubber to calender&period;B&period; The barrel is composed of several zones&period; In the feeding zone&comma; the spiral slots work with the side roll to enhance feeding capability&period; In the plastication and extrusion zones&comma; different numbers of pins are fitted&period; The barrel is of dual metal structure and bored circumferentially&period;C&period; The screw is processed and polished with the foreigh-made CNC milling machine and is feature by excellent geo-metric precision&period; Nitrogenation treatment makes it more wear-resistant&period;D&period; The gears in the reducer are made of alloyed steel whose teeth are harden&comma;E&period; A hot water circulation device automatically controls temperature in each zone&period;F&period; The machine is driven by DC motor&period;G&period; The advantages of the machine include better plasticatio result&comma; higher etrusion capability&comma; lower temperature of the outgoing rubber and smooth operation&period;H&period; The company also makes spcial feeding unit for the pin-barrel cold feed rubber extruder to convey rubber slabs&period;